Fix default size, horizontal and vertical precition values for LOC records.
Fix default size, horizontal and vertical precition values for LOC records.

Default values in RFC 1876 are in meters but the old code used
the numerical value as centimeters.

Abhayakara/dnspython,preo/dnspython,tow/dnspython,fjxhkj/dnspython,rcorrieri/dnspython,cluck/dnspython,leeclemens/dnspython,tomlanyon/dnspython